Method process

Engine/source/postFx/postEffect.cpp:1387–1557

}

void PostEffect::process(  const SceneRenderState *state,
                           GFXTexHandle &inOutTex,
                           const RectI *inTexViewport )
{
   // If the shader is forced to be skipped... then skip.
   if ( mSkip )
      return;

   // Skip out if we don't support reflection passes.
   if ( state && state->isReflectPass() && !mAllowReflectPass )
      return;

   if ( mOneFrameOnly && !mOnThisFrame )
      return;

   // Check requirements if the shader needs updating.
   if ( mUpdateShader )
   {
      _checkRequirements();

      // Clear the targets if we failed passing
      // the requirements at this time.
      if ( !mIsValid )
         _cleanTargets( true );
   }

   // If we're not valid then we cannot render.
   if ( !mIsValid )
      return;

   GFXDEBUGEVENT_SCOPE_EX( PostEffect_Process, ColorI::GREEN, avar("PostEffect: %s", getName()) );

   preProcess_callback();   

   GFXTransformSaver saver;

   // Set the textures.
   for (U32 i = 0; i < NumTextures; i++)
   {
      if (mTextureType[i] == NormalTextureType)
         _setupTexture(i, inOutTex, inTexViewport);
      else if (mTextureType[i] == CubemapType)
         _setupCubemapTexture(i, mCubemapTextures[i]);
      else if (mTextureType[i] == CubemapArrayType)
         _setupCubemapArrayTexture(i, mCubemapArrayTextures[i]);
   }

   _setupStateBlock( state ) ;
   _setupTransforms();

   bool clearTarget = false;
   _setupTarget( state, &clearTarget );

   if ( mTargetTex || mTargetDepthStencil )
   {
      const RectI &oldViewport = GFX->getViewport();
      GFXTarget *oldTarget = GFX->getActiveRenderTarget();